Modifying Pictures
It's rare that you'll want to use an image file or piece of clip art as-is. If nothing else, you'll probably want to resize it or crop it to make it fit with the text and other elements on your slide. To be sure, PowerPoint isn't Photoshop, so don't expect editing miracles. In addition, your editing options are fewer when you use certain types of images (like photos) as compared to others (line-and-shape drawings you create in PowerPoint). Still, for most purposes you find PowerPoint's editing options more than adequate.
Get PowerPoint 2007 for Starters: The Missing Manual now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.